import java.util.Scanner;

//输入三个数，输出最大的那个
public class homework10 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        System.out.println(Math.max(Math.max(a, b),c));
    }
}
